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Michael O'Neill

Michael O'Neill

Born May 29, 1951· Montgomery, Alabama, USA

85Roles★ 7Average rating

​From Wikipedia, the free encyclopedia. Michael O'Neill (born May 29, 1951) is an American actor. With a career stretching through three decades, he usually portrays senior law enforcement or military officers. He is perhaps best known for his role as Special agent Ron Butterfield, the head of President Josiah Bartlet's Secret Service detail, on The West Wing. He played CTU Administrative Directo…

Known for

Filmography

The MentalistSeries★ 8.4
The Mentalist2008
Sheriff Nelson
The X-FilesSeries★ 8.4
The X-Files1993
Patrol Captain Van Gelder
Sons of AnarchySeries★ 8.4
Sons of Anarchy2008
Anthony Franklin
Criminal MindsSeries★ 8.3
Criminal Minds2005
Det. Yarbough
The ResidentSeries★ 8.4
The Resident2018
Joshua Williams
Grey's AnatomySeries★ 8.2
Grey's Anatomy2005
Gary Clark
This Is UsSeries★ 8.2
This Is Us2016
Arlo
Prison BreakSeries★ 8.1
Prison Break2005
Herb Stanton
FringeSeries★ 8.1
Fringe2008
Sheriff Velchik
Ghost WhispererSeries★ 8.1
Ghost Whisperer2005
Nolan
Bates MotelSeries★ 8
Bates Motel2013
Nick Ford
S.W.A.T.Series★ 8
S.W.A.T.2017
Carl Luca
Dallas Buyers Club★ 7.9
Dallas Buyers Club2013
Richard Barkley
24Series★ 7.8
242001
Richard Welsh
11.22.63Series★ 7.8
11.22.632016
Arliss Price
ERSeries★ 7.8
ER1994
Col. Ken Kilner
Rizzoli & IslesSeries★ 7.9
Rizzoli & Isles2010
Jonathan McKnight
Tom Clancy's Jack RyanSeries★ 7.7
Tom Clancy's Jack Ryan2018
Senator Mitchell Chapin
CSI: MiamiSeries★ 7.7
CSI: Miami2002
Jerry Blackburn
NCISSeries★ 7.6
NCIS2003
Riley McCallister
Fire CountrySeries★ 8
Fire Country2022
Harlan Denbo
NCIS: Los AngelesSeries★ 7.5
NCIS: Los Angeles2009
Ret. U.S. Army General Richard Collins
MillenniumSeries★ 7.7
Millennium1996
County Prosecutor Calvin Smith
TrackerSeries★ 7.6
Tracker2024
Buck Avery
Air★ 7.3
Air2023
Joe Dean
JAGSeries★ 7.3
JAG1995
Commander Bradley
ShooterSeries★ 7.2
Shooter2016
Ray Brooks
ScandalSeries★ 7.2
Scandal2012
Lonnie Mencken
Traffic★ 7.1
Traffic2000
Lawyer Rodman
Seabiscuit★ 7.1
Seabiscuit2003
Mr. Pollard
Lorenzo's Oil★ 7.1
Lorenzo's Oil1992
School Psychologist
Law & Order: LASeries★ 6.8
Law & Order: LA2010
Jeb Monroe
Happy FaceSeries★ 6.8
Happy Face2025
D.A. Craig Calloway
Transformers★ 6.9
Transformers2007
Tom Banacheck
Green Zone★ 6.5
Green Zone2010
Colonel Bethel
J. Edgar★ 6.2
J. Edgar2011
Senator McKellar
Dreamcatcher★ 5.7
Dreamcatcher2003
Gen. Matheson
War of the Worlds★ 4
War of the Worlds2025
Secretary of Defense Walter Crystal